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2004 Maxima strange noise from dash??


jazz120
12-02-2004, 09:11 AM
I have a 2004 Maxima Elite Pckg and recently i can hear a noise when accelerating , it comes from a passanger side dash area it sounds like water running thru some pipes there or a boiling water noise(it lasts from the time i start it about 20 min or so then i cant realy hear it), it sounds very clear(loud)...when i took the car to a dealer by the time i got there it didnt sound as loud...but Srvc. Mgr. told me it could be air pockets and they flushed and changed the coolant system ...but now the problem is worst even when the car is hot i still get that water noise in the cabin. Eventually i will see the dealer again , but does anyone had that same problem??

Nahkapohjola
12-04-2004, 04:28 AM
"sounds very clear(loud)"

- A/C is ok?
- For some reason your engine is cooking. Change Thermostat. If that does not help, somewhere is something blocking the cooling circ, and that has to be found, otherwise you ruin your engine. Do not drive long trips before this is corrected.
- Do not accept the noise in any circumstances, there is warranty still, right?

"Srvc. Mgr. told me it could be air pockets and they flushed and changed the coolant system ...but now the problem is worst even when the car is hot i still get that water noise in the cabin."
- Indicates that no pockets, problem is worse. Thermostat change no big deal, 5$ half hour.

One possibility is that the mechanic does not understand how to vent the air bubbles out:
One peugeot piping system was like Chiraq himself - impossible and always cooking. The only way to get all air out, was to make a small leak on the highest part of the water system, drive one hour (cab heating on) while adding cooling liquid, and then close.

jazz120
12-04-2004, 06:47 AM
"sounds very clear(loud)"

- A/C is ok?
- For some reason your engine is cooking. Change Thermostat. If that does not help, somewhere is something blocking the cooling circ, and that has to be found, otherwise you ruin your engine. Do not drive long trips before this is corrected.
- Do not accept the noise in any circumstances, there is warranty still, right?

"Srvc. Mgr. told me it could be air pockets and they flushed and changed the coolant system ...but now the problem is worst even when the car is hot i still get that water noise in the cabin."
- Indicates that no pockets, problem is worse. Thermostat change no big deal, 5$ half hour.

One possibility is that the mechanic does not understand how to vent the air bubbles out:
One peugeot piping system was like Chiraq himself - impossible and always cooking. The only way to get all air out, was to make a small leak on the highest part of the water system, drive one hour (cab heating on) while adding cooling liquid, and then close.thanx i will talk to the dealer again...
thanx alot

Nahkapohjola
12-04-2004, 07:27 AM
Btw. If the engine is cooking -be it due to thermostat or no- the temp gauge should show it.
- Is it working normally [cold engine zero, warm halway up?]
If not, most propably the engine not cooking - but still your loud bubbling noise tells of overheating...

By touching Loudly cooking tubings one can feel the bubbles. -Scary- Exploding closed cooking water tubings will burn severely [not typical in new cars - if the the tubings are well installed] Take care to use gloves not to burn your hands. If you have infrared thermometer 30?$ you can point to the source and give the readings to the Srvc. Mgr. (really, this should not be necessary, but if you have 'ammo', you will get better service)

I think the cooling liquid change was ok., but if properly done, that should not make things worse.

Aluminium engine heads bend easily due to cooling problems and might later [after warranty is no more valid...] result in blown gasket and broken engine - so keep your documents & Srvc. Mgr. statement statements [he might just move to EU...] archived for possible later warranty problems.

jazz120
12-04-2004, 07:32 PM
Btw. If the engine is cooking -be it due to thermostat or no- the temp gauge should show it.
- Is it working normally [cold engine zero, warm halway up?]
If not, most propably the engine not cooking - but still your loud bubbling noise tells of overheating...

By touching Loudly cooking tubings one can feel the bubbles. -Scary- Exploding closed cooking water tubings will burn severely [not typical in new cars - if the the tubings are well installed] Take care to use gloves not to burn your hands. If you have infrared thermometer 30?$ you can point to the source and give the readings to the Srvc. Mgr. (really, this should not be necessary, but if you have 'ammo', you will get better service)

I think the cooling liquid change was ok., but if properly done, that should not make things worse.

Aluminium engine heads bend easily due to cooling problems and might later [after warranty is no more valid...] result in blown gasket and broken engine - so keep your documents & Srvc. Mgr. statement statements [he might just move to EU...] archived for possible later warranty problems.You know i don't think that the engene is overheating because as soon as u start the car and on a day like today (it was 33F outside)it does that noise right away when pressing the acceleration pedal.It usually sounds when the car is cold so there is no chance that it is cooking , might be something else cause my wife told me today the heat wasnt working good , it would work on like arround 80+ and all of a sudden blow cold . after shutting the heat off for a while and then turn it on it will work for couple of minutes and then again cold air is coming...so i think it has something to do with the sound as well ,especialy that the heating system is located on the right side where the noise come from. i will go to the dealer on tuesday.....honestly i dont really trust them so far they blew it everytime i came there. Had a recall for skyview ,it was replaced,a couple of days after-first rain , roof was leaking.Another day in the shop ...you know after all it is a new car , i had the navigation screen to be taken apart to clean some foggy spots that i really don't know how they got there(that was before the recall on the skyview) after getting my car back i found out that the inner side of the screen is all scratched (i don't know what the hell they used to clean it, deffinatelly not something soft)you can see it only in day light so i found out on the next day...and not enough said when putting it together they didn't properly closed the air condition grilles so they wouldnt turn anymore ...so you can understand ..(and everytime you bring your car they have it for the whole day) i have only 11000 miles on it i got it on Apr 2004 ...too much with this dealer ..so overall service is poor cause i called and wrote to Nissan consumer affairs about that and some other issues i had when buying it (it is a long story) no response ...i can't believe it that Nissan is like that ...that means it is not only my dealer..
I bought 2005 Lexus LS430 2 weeks ago , forget about the car itself (it is a dream) but the service is awesome and they don't have to worry about their quality and prove anything and yet service is the best i have ever seen ...when Nissan should be trying their best to improve except just giving a nice looking designed cars. I hope i didnt bore you too much but if you read it and have anything to comment i will be more than happy , i really want to get rid of that problem and not to fix everything else instead.

thanx

Nahkapohjola
12-05-2004, 01:28 AM
Hmm. Biggest problem seems to be Nissan service...

Yes, on the right side comes in the cabin heater (water) tubes, but also Air condition tubes.

The heater gets it hot 'juice' via the piping from a hot engine. Engine temperature is always regulated by the engine thermostat; however cabin piping bypasses this thermostat. As air passes in via the cabin heater element, the juice inside it cools down. If flow becomes restricted [faulty system or closed valve] the incoming cool air cools the juice and element, and as new juice does not flow in, air cools respectively.

Pressing accel pedal revs the engine and its components - like its water pump ---> Water flow&pressure increases forcing more water through.


Your Problem: 1. water flowing noise. 2. no heating after a while...

1. Now these water =juice pipes should be noiseless:
a. if there is enough water in the system & no gas bubbles
b. engine water temp is ok =not boiling.
(Engine boiling is now out of question, your engine temp gauge on your instrument panel does not ??? rise... and therefore this problem is on nuisance level eg. not threatening the engine)

2. At one stage all works, as you get warm air. I suppose the system is noiseless at that moment?

Then something happens: Somewhere the tubing becomes blocked. Now what could that be? What I can imagine:
- it must be a gas bubble as cooling helps--->"after shutting the heat off for a while and then turn it on it will work for couple of minutes"
- somehow broken rubbertubing (inner ring of the tube ripped, blocking flow intermittently)
- Factory Installation time debris has now formed a block
- some other external force pressing/bending it closed when the tube is soft=hot.

Note: Heated water makes rubber hoses softer.
The noise tells that some flow still gets through to half empty pipes. Full pipes without air =no sound.

Alltogether, this cabing heating is not rocket science: the repair shop should be able to correct it be it by by replacing piping or whatever...

Now what could be done?
- Tell about this no heating problem also to the repair shop. Tell them also nicely that you are going to ask help from somebody at Nissan (seek out a big name) if this problem continues.
- The other problems you mention have all to be written down, and demanded orally and in a written statement (get mgr signature on your copy) nicely firmly to be replaced. This shows also that you will not back down and no actual threats have to be made (works miracles if your opposite knows that you have court proofeed documents). No scratches should not be tolerated without compensation. However, when work is done in any workplace, accidents do happen due to new servicemen and this is nothing to be angry even if it is annoying. Shit happens. Some places more than others... Being firmly kind is half victory, I bet the mgr is also annoyed...
- The service dpt typically have older more educated servicemen on more diffucult jobs. Ask -demand- the manager to assign his best man on your case.
- More pressure on the Nissan higher steps.


Btw. Does your car have some kind of automatic climate control where you just set up the temp, and computer does the control of coolin/heating? That could be too much for trainee mechanics who maybe have no education for the system...
Currently I am 'lucky' to repair myself my own cars - no arguing about work quality or repairman iq, poor service all the time...

Even if the shop does not correct all things, document all problems: there might be a miracle [=some nice boss sees it] at nissan hq and they come asking...

jazz120
12-05-2004, 07:45 AM
[QUOTE=Nahkapohjola]Hmm. Biggest problem seems to be Nissan service...

Hey thanx for the detailes at list i will sound like i know something...lol , cause really i dont have an idea...so thanx alot ,will see what happens when i go there again

thanx
ian

Nahkapohjola
12-05-2004, 10:50 AM
"Hey thanx for the detailes at list i will sound like i know something...lol , cause really i dont have an idea...so thanx alot ,will see what happens when i go there again"

Typically when there is a situation where I do not know much (friend in ho-spit-all for example) I tell that I have a close friend (doc) whom I want to give all diagnosic results for a second opinion. Then I ask the on duty doc's name, write it down so everybody sees [please spell again...], I do it while walking like a very pleasant Lawyer, ask this and that and write all down [no need to me to understand!] and then for the diag document copies and tell: "I'll call back...

After that I get super service, nurses start running to and fro, extra diagnosis on the spot for free etc etc. Works anywhere as people see that they'll become responsible...

I quarantee: no arguments! (still, I wish I always had such long fuse I am bragging now...)

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